40.磁振造影設備中,射頻脈衝發射元件不包括:
(A)頻率合成器(frequency synthesizer)
(B)波形產生器(waveform generator)
(C)高功率放大器(high-power amplifier)
(D)相敏偵檢器(phase-sensitive detector)
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統計: A(77), B(79), C(171), D(724), E(0) #3283000
統計: A(77), B(79), C(171), D(724), E(0) #3283000